大约有 45,000 项符合查询结果（耗时：0.0576秒） [XML]
Uppercase Booleans vs. Lowercase in PHP
...
The official PHP manual says:
To specify a boolean literal, use the
keywords TRUE or FALSE. Both are
case-insensitive.
So yeah, true === TRUE and false === FALSE.
Personally, however, I prefer TRUE over true and FALSE over false for readability reasons. It's the same re...
Android search with Fragments
...or an example of how to implement the standard Android search interface with Fragment s? In other words, is it possible to put a standard search with a SearchManager in a Fragment?
...
Select n random rows from SQL Server table
I've got a SQL Server table with about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and ...
Mongod complains that there is no /data/db folder
...
You created the directory in the wrong place
/data/db means that it's directly under the '/' root directory, whereas you created 'data/db' (without the leading /) probably just inside another directory, such as the '/root' homedirectory.
You need to create this directory as root
Either y...
Add comma to numbers every three digits
How can I format numbers using a comma separator every three digits using jQuery?
12 Answers
...
byte + byte = int… why?
... operation on bytes, bytes are first cast to integers and the result of addition of two integers is a (32-bit) integer.
share
|
improve this answer
|
follow
|
...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
...problems:
You weren't passing a "jsonp" type specifier to your $.get, so it was using an ordinary XMLHttpRequest. However, your browser supported CORS (Cross-Origin Resource Sharing) to allow cross-domain XMLHttpRequest if the server OKed it. That's where the Access-Control-Allow-Origin header cam...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
...ol which versions you use, have more than one version installed and so on. It's why it's the accepted answer.
– João Pinto Jerónimo
Dec 29 '14 at 21:51
add a comment
...
C# binary literals
Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn't work.
12 Answers
...
HTML5 Number Input - Always show 2 decimal places
...follow
|
edited Apr 1 at 21:37
Dale K
11.1k88 gold badges3232 silver badges5959 bronze badges
...